diff options
Diffstat (limited to 'gdb/sparc-tdep.c')
| -rw-r--r-- | gdb/sparc-tdep.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c index b718e4c..12ad9c5 100644 --- a/gdb/sparc-tdep.c +++ b/gdb/sparc-tdep.c @@ -614,6 +614,26 @@ sparc_pop_frame () read_pc ())); } +/* On the Sun 4 under SunOS, the compile will leave a fake insn which + encodes the structure size being returned. If we detect such + a fake insn, step past it. */ + +CORE_ADDR +sparc_pc_adjust(pc) + CORE_ADDR pc; +{ + long insn; + int err; + + err = target_read_memory (pc + 8, (char *)&insn, sizeof(long)); + SWAP_TARGET_AND_HOST (&insn, sizeof(long)); + if ((err == 0) && (insn & 0xfffffe00) == 0) + return pc+12; + else + return pc+8; +} + + /* Structure of SPARC extended floating point numbers. This information is not currently used by GDB, since no current SPARC implementations support extended float. */ |